| details |
Middle Devonian |
|
Arabian Pen.States |
Hemer,D.O. Diagnostic palynological fossils from Arabian formations. |
1968 |
| details |
Givetian |
Famennian |
Nd |
Chaloner,W.G. Spores and Land-Plant evolution. |
1967 |
| details |
Early Keuper |
|
E.Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Givetian |
|
Canada(NWT,Franklin) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Givetian |
|
United Kingdom |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Frasnian |
|
Canada |
Richardson,J.B. Stratigraphical distribution of some Devonian and Lower Carboniferous spores, (Report of Working Group No 13 B CIMP) |
1964 |
| details |
Nd |
|
Nd |
Pi©rart,P. The evolution of the megaspores. |
1961 |
| original |
Early Gondwana |
|
India(Bihar) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Early Gondwana |
|
India |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |